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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Polydesmiidae
Taxonomy
Polydesmiidae was named by Kobayashi (1940).
It was assigned to Actinocerida by Teichert et al. (1964) and Crick (1981).
It was assigned to Actinocerida by Teichert et al. (1964) and Crick (1981).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1940 | Polydesmiidae Kobayashi |
| 1964 | Polydesmiidae Teichert et al. p. 203 |
| 1981 | Polydesmiidae Crick p. 227 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Dawan to the top of the Late/Upper Llanvirn or 478.60000 to 460.90000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Dawan | Mongolia | Polydesmia zuezshanensis (157192) | |
| Arenig | China (JiLin) | Ordosoceras sp., Polydesmia sp. (21147) | |
| Arenig | China (ShanDong) | Ordosoceras sp., Polydesmia sp. (20775) | |
| Arenig | South Korea (Kangweondo (Gangwon-do)) | Polydesmia canaliculata (89515) | |
| Arenig | China (HeBei) | Polydesmia sp. (7956 7962 7967 7979) | |
| Arenig | China (Tibet) | Ordosoceras sp. (23605) | |
| Arenig | China (LiaoNing) | Ordosoceras sp., Polydesmia sp. (20757) | |
| Llanvirn | China (HeBei) | Polydesmia sp. (7994) | |
| Late/Upper Llanvirn | China (HeBei) | Polydesmia sp. (7988) |